Servicing Notice; Note On The Main Board Replacement; Eeprom Data Transfer - Panasonic PT-VX505NU Service Manual

Servicing Notice

Note on the MAIN board replacement

Take the following workings when the MAIN board is replaced.

1.EEPROM data transfer

Each of the adjustment data (electrical adjustment data, serial number, projector's, filter usage time, user control
setting value, etc.) is stored in memory IC(IC1371) on the MAIN board. After replacing the MAIN board, perform the
data transferring by using the software [NVReadWrite v1.0.0.0]. For further details, refer to the operation manual of
the software.
The data which can be set by this software includes "Serial number" and "Model no." setting below. Follow each set-
ting procedure if the individual setting is needed.
Serial number setting
The data of serial number is stored in memory IC (IC1371) on the MAIN board.
After replacing the MAIN board, perform the work below to restore the serial number.
• Use the serial no. setting tool to write the correct serial no. referring to the serial no. (S/N) printed on the rating
label. For further details, refer to the operation manual of the software [SERIAL NO. SETTING TOOL V1.00].
Model no. setting
The data of projector's model no. is stored in both memory IC (IC1371) on the MAIN board.
After replacing the MAIN board, perform the work below to restore the model number.
1. Enter the service mode.
2. Select the group "430 ~ 437" and No. "1", change the data value from "0" to "10". Refer to table below. The
data value will return to "0" after setting.
3. To check the setting, select each group and No. "0" and check its value with table below.
How to enter the service mode, or set the group. No. and data, refer to the item "Service adjustment menu opera-
tion".
Model no. setting
Model no. setting
Not defined
PT-VW435N
PT-VX505N
PT-VW435NU
PT-VX505NU
PT-VW435NE
PT-VX505NE
PT-VW435NEJ
PT-VX505NEJ
PT-VW435NEA
PT-VX505NEA
PT-VW435NEAJ
PT-VX505NEAJ
PT-BX55NC
Group No. Data
0 [ (refer to table right)
430
1 0 -> 10
0 [ (refer to table right)
431
1 0 -> 10
0 [ (refer to table right)
432
1 0 -> 10
0 [ (refer to table right)
433
1 0 -> 10
0 [ (refer to table right)
434
1 0 -> 10
0 [ (refer to table right)
435
1 0 -> 10
0
[ (refer to table right)
436
1 0 -> 10
0
[ (refer to table right)
437
1 0 -> 10
Model no. checking
Data
-35-
Model no.
0 Not defined
PT-VW435N
1
PT-VX505N
PT-VW435NU
2
PT-VX505NU
PT-VW435NE
3
PT-VX505NE
PT-VW435NEJ
4
PT-VX505NEJ
PT-VW435NEA
5
PT-VX505NEA
PT-VW435NEAJ
6
PT-VX505NEAJ
7 PT-BX55NC